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authorUlrich Drepper <drepper@redhat.com>2009-04-26 05:42:49 +0000
committerUlrich Drepper <drepper@redhat.com>2009-04-26 05:42:49 +0000
commit337c270829f7088949ba0c96fffa6326fde17f78 (patch)
tree156108c0cf719838f421f4b30116ad8f3181056f /math
parent002a604fd61d1d3b8d82a5a85959ba4ebd210aec (diff)
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* sysdeps/i386/fpu/s_tan.S: Set errno for ±Inf.
	* sysdeps/i386/fpu/s_tanf.S: Likewise.
	* sysdeps/i386/fpu/s_tanl.S: Likewise.
	* sysdeps/ieee754/dbl-64/s_tan.c: Likewise.
	* sysdeps/ieee754/flt-32/s_tanf.c: Likewise.
	* sysdeps/x86_64/fpu/s_tanl.S: Likewise.
	* math/libm-test.inc: Add tests for errno after tan calls with
	±Inf.
Diffstat (limited to 'math')
-rw-r--r--math/libm-test.inc6
1 files changed, 6 insertions, 0 deletions
diff --git a/math/libm-test.inc b/math/libm-test.inc
index 19025ecebe..8c5727ca27 100644
--- a/math/libm-test.inc
+++ b/math/libm-test.inc
@@ -5653,9 +5653,15 @@ tan_test (void)
 
   TEST_f_f (tan, 0, 0);
   TEST_f_f (tan, minus_zero, minus_zero);
+  errno = 0;
   TEST_f_f (tan, plus_infty, nan_value, INVALID_EXCEPTION);
+  check_int ("errno for tan(Inf) == EDOM", errno, EDOM, 0, 0, 0);
+  errno = 0;
   TEST_f_f (tan, minus_infty, nan_value, INVALID_EXCEPTION);
+  check_int ("errno for tan(-Inf) == EDOM", errno, EDOM, 0, 0, 0);
+  errno = 0;
   TEST_f_f (tan, nan_value, nan_value);
+  check_int ("errno for tan(NaN) == 0", errno, 0, 0, 0, 0);
 
   TEST_f_f (tan, M_PI_4l, 1);
   TEST_f_f (tan, 0.75L, 0.931596459944072461165202756573936428L);